package com.wxit.gulimall.auth.controller;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.TypeReference;
import com.wxit.common.utils.HttpUtils;
import com.wxit.common.utils.R;
import com.wxit.gulimall.auth.feign.MemberFeignService;
import com.wxit.common.vo.MemberRespVo;
import com.wxit.gulimall.auth.vo.SocialUser;
import lombok.extern.slf4j.Slf4j;
import org.apache.http.HttpResponse;
import org.apache.http.util.EntityUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;

import javax.servlet.http.HttpSession;
import java.util.HashMap;
import java.util.Map;

/**
 * @author wj
 * @date 2022.03.17 14:40
 */
@Controller
@Slf4j
public class OAuth2Controller {

    @Autowired
    MemberFeignService memberFeignService;

    @GetMapping("/oauth2.0/weibo/success")
    public String weibo(@RequestParam("code") String code, HttpSession session) throws Exception {

        Map<String,String> map = new HashMap<>();
        map.put("client_id","938622327");
        map.put("client_secret","3605fbb90bd30bd7b5eea8a81cb904ed");
        map.put("grant_type","authorization_code");
        map.put("redirect_uri","http://auth.gulimall.com/oauth2.0/weibo/success");
        map.put("code",code);

        //根据code换取accessToken
        HttpResponse response = HttpUtils.doPost("https://api.weibo.com", "/oauth2/access_token", "post", new HashMap<>(), map, new HashMap<>());

        //处理
        if (response.getStatusLine().getStatusCode() == 200){
            //获取到accessToken
            String json = EntityUtils.toString(response.getEntity());
            SocialUser socialUser = JSON.parseObject(json, SocialUser.class);

            //知道当前是哪个社交用户
            R oauthlogin = memberFeignService.oauthlogin(socialUser);
            if (oauthlogin.getCode() == 0){
                MemberRespVo data = oauthlogin.getData("data", new TypeReference<MemberRespVo>() {});
                System.out.println("登录陈桓公");
                log.info("登录成功:用户{}",data.toString());
                session.setAttribute("loginUser",data);
                //登录成功
                //登录成功就跳回首页
                return "redirect:http://gulimall.com";
            } else {
                return "redirect:http://auth.gulimall.com/login.html";
            }
        } else {
            return "redirect:http://auth.gulimall.com/login.html";
        }
    }
}
